<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            padding: 0;
            margin: 0;
            box-sizing: border-box;
        }
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background: #102626;
        }
        .container {
            position: relative;
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
            /* 反光特效 */
            -webkit-box-reflect: below 1px linear-gradient(#0001,#0004);
        }
        .container .loader {
            position: relative;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: #0d2323;
            animation: animate 2s linear infinite;
        }
        @keyframes animate {
            0% {
                transform: rotate(0deg);
            }
            100% {
                transform: rotate(360deg);
            }
        }
        .container .loader::before {
            content:'';
            position: absolute;
            top: 0;
            left: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(to top,transparent,rgb(0,255,249,0.4));
            background-size: 100px 100px;
            background-repeat: no-repeat;
            border-bottom-left-radius: 100px;
            border-top-left-radius: 100px;
        }
        .container .loader::after {
            content:'';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            background: #00fff9;
            border-radius: 50%;
            z-index: 10;
            box-shadow: 0 0 10px #00fff9,
                        0 0 20px #00fff9,
                        0 0 30px #00fff9,
                        0 0 40px #00fff9,
                        0 0 50px #00fff9,
                        0 0 60px #00fff9,
                        0 0 70px #00fff9,
                        0 0 80px #00fff9,
                        0 0 90px #00fff9,
                        0 0 100px #00fff9,
        }
        .container .loader span {
            position: absolute;
            top: 20px;
            left: 20px;
            right: 20px;
            bottom: 20px;
            background: #102626;
            border-radius: 50%;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="loader"><span></span></div>
    </div>
</body>
</html>